CLI Guide

Layer 3 Routing Commands 1699
area stub no-summary
Use the area stub no-summary command in Router OSPF Configuration
mode to prevent Summary LSAs from being advertised into the NSSA. Use
the no form of the command to return the Summary LSA mode to the
default value.
Syntax
area area-id stub no-summary
no area area-id stub no-summary
• area-id — Identifies the OSPF area to configure. (Range: IP address or
decimal from 0–4294967295)
Default Configuration
Disabled is the default configuration.
Command Mode
Router OSPF Configuration mode.
User Guidelines
This command creates a totally stubby area when used in conjunction with
the area stub command.
Example
The following example prevents the Summary LSA from being advertised
into the area 3 NSSA. Area 3 will be configured as a totally stubby area.
console(config-router)#area 3 stub
console(config-router)#area 3 stub no-summary
area virtual-link
Use the area virtual-link command in Router OSPF Configuration mode to
create the OSPF virtual interface for the specified area-id and neighbor
router. To remove the link, use the no form of the command. Use the optional
parameters to configure authentication, dead-interval, hello-interval,